50 mg of **Zinc** per tablet is a hefty dose — well above the 15–30 mg range typically studied for immune support, wound healing, and skin health. Zinc has strong clinical evidence behind it, with meta-analyses showing it can shorten common cold duration by roughly a third.
The citrate form absorbs reasonably well — not top-tier like picolinate or bisglycinate, but adequate for most purposes. One tablet daily keeps it simple.
The important detail: 50 mg exceeds the tolerable upper limit of 40 mg per day. Taking this daily over months can interfere with your copper absorption, potentially causing its own set of problems. If you're using this long-term rather than for short-term immune support, pairing it with 1–2 mg of copper and discussing the dose with your doctor is worth doing.
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Score Breakdown
Ingredients (1)
Zinc
100%Dose
50 mg
Target
15–30 mg
Form
Standard
Other Ingredients (4)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Stearic AcidLubricant
Saturated fatty acid used as tablet lubricant
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).
This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.
The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.